A New Image Steganography Based on Decimal-Digits Representation

Mohammed Abbas Fadhil Al-Husainy

Abstract


Steganography is the art and science of hiding important information by embedding message within other file. In this paper, a new technique to hide text message in image by using what is called image steganography. By representing the ASCII code decimal value of each character, in the secret message, as a set of separated single decimal-digit, also represent each decimal pixel value in the stego-image as a set of separated single decimal-digit. The technique creates a matching list between the decimal-digits of the characters in the secret message with the decimal-digits of the pixels in the stego-image. The technique compresses the created matching list to be as small as possible to embed it in the unused file space at the end of the stego-image file. The results show that our technique provides more security against visual attack because it does not make any changes in the pixel of the stego-image.

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Computer and Information Science   ISSN 1913-8989 (Print)   ISSN 1913-8997 (Online)
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